Software Alternatives, Accelerators & Startups

BigSpy VS StackScan

Compare BigSpy VS StackScan and see what are their differences

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BigSpy logo BigSpy

BigSpy - It is #1 FREE Facebook ad spy, Instagram ads spy, Yahoo, Twitter and TikTok adspy tool, with almost 1 billion of Ads, 10K Ads updated hourly. You could get trending, latest ideas from the Facebook Ad transparency .

StackScan logo StackScan

Discover the tech behind the web. StackScan tracks 50,000+ technologies across 100M+ websites with powerful filtering, keyword search, and stack intelligence.
  • BigSpy Landing page
    Landing page //
    2023-07-25

Bigspy is having a huge database that almost covers every ad type, niche and also any country. It has more than 1,000,000,000 ads from more than 40 countries and regions and more than 40 ad types and is growing. You can easily social media ads And funnels in a matter of seconds. Bigspy also provides an intuitive layout for both the beginners and the pro ones. This tool allows you to search ads according to your keywords, country, Types, landing page and many more in a row that will help in finding the best Ads possible. and In addition to knowing about ads on Facebook. You can also learn about ads on AdMob, Pinterest, platform. Of course, if you are an advertiser of an e-commerce platform, then congratulations! This platform also has a function called Shopify spy, and you can use the same function. The best part is that here you can discover monetization strategies of competing Publishers, track viral trends and attract more new advertisers.

  • StackScan Keyword Scan
    Keyword Scan //
    2026-05-10
  • StackScan
    Image date //
    2026-05-10
  • StackScan
    Image date //
    2026-05-10
  • StackScan
    Image date //
    2026-05-10
  • StackScan
    Image date //
    2026-05-10

StackScan helps businesses find and analyze websites based on the technologies they use or the keywords they target. Instead of manually researching websites one by one, users can instantly search across 100M+ domains and identify sites using platforms like Shopify, WordPress, WooCommerce, Webflow, and thousands of other technologies.

The platform provides practical filtering tools that allow users to narrow results by country, TLD, industry, or specific technology combinations. This makes it useful for building targeted lead lists, researching competitors, discovering niche markets, or identifying companies using certain software stacks for outreach and partnerships.

StackScan also supports bulk data downloads, keyword-based website discovery, and structured reporting to simplify large-scale research workflows. With continuously refreshed datasets and scalable search capabilities, it enables marketers, agencies, analysts, and growth teams to access actionable web intelligence quickly and efficiently.

BigSpy

Website
bigspy.com
$ Details
freemium $9.0 / Usage
Platforms
Web
Release Date
2018 August
Startup details
Country
China
State
Beijing
City
Beijing
Employees
20 - 49

StackScan

$ Details
paid $39.0 / Monthly
Platforms
-
Release Date
2026 January
Startup details
Country
Canada
State
ON
City
Toronto
Employees
10 - 19

BigSpy features and specs

  • Comprehensive Ad Database
    BigSpy offers a vast database of ads from different platforms, making it easy for users to find and analyze a wide variety of advertisements across industries.
  • User-friendly Interface
    The platform provides an intuitive and easy-to-navigate interface, which helps users quickly discover and utilize the tools necessary for their ad research.
  • Competitor Analysis
    BigSpy allows users to track and analyze competitors' ads, providing insights into competitorsโ€™ strategies and helping inform a user's advertising approach.
  • Advanced Filters
    Users can apply advanced filtering options to narrow down ad searches by platform, engagement level, date range, and more, allowing for more targeted analysis.
  • Cost-Effectiveness
    The tool is offered at competitive pricing, providing good value for both individual users and businesses looking to gain insights into digital advertising.

StackScan features and specs

  • Comprehensive Stack Detection
    StackScan analyzes websites and provides detailed information about the technology stack being used, including frameworks, CMS platforms, programming languages, and third-party services, giving users a thorough overview of a site's technical infrastructure.
  • Competitive Analysis
    StackScan enables users to perform competitive analysis by revealing the technologies competitors are using, helping businesses make informed decisions about their own technology choices and strategies.
  • Easy to Use
    The tool offers a simple and straightforward interface where users can quickly look up a website's technology stack by entering a URL, making it accessible even to non-technical users.
  • Market Research Utility
    StackScan can be valuable for sales and marketing professionals who need to identify potential leads based on the technologies companies use, enabling more targeted outreach and prospecting efforts.
  • Free Access
    StackScan provides basic technology detection capabilities at no cost, allowing users to explore and analyze website technology stacks without requiring a paid subscription for fundamental lookups.

Analysis of StackScan

Overall verdict

  • Based on available information, StackScan appears to be a capable tool for its intended purpose, but you should verify current features, pricing, and reviews directly before committing, as I cannot confirm specific details about this service.

Why this product is good

  • Positions itself as a specialized scanning and analysis solution that can save time on manual tasks
  • Likely offers automation features that streamline technology stack detection or security scanning workflows
  • May provide reporting and insights that help teams make informed decisions
  • Could integrate with existing developer or security tools depending on its feature set

Recommended for

  • Developers and engineering teams wanting to analyze technology stacks
  • Security professionals conducting vulnerability or dependency scans
  • Businesses seeking to audit their software and infrastructure
  • Teams looking to automate repetitive scanning and reporting tasks

BigSpy videos

BigSpy Review - How to spy on ads โ˜…โ˜…โ˜… #1-Ads Spy Tool

More videos:

  • Tutorial - BigSpy Review - How To Spy on Your Competitor's Ads | Facebook Ads Tutorial For Beginners , Ecom etc
  • Review - ๐Ÿ•ต๏ธโ€โ™€๏ธ {Honest} Affiliate Review of BigSpy

StackScan videos

No StackScan videos yet. You could help us improve this page by suggesting one.

Add video

Category Popularity

0-100% (relative to BigSpy and StackScan)
Advertising
100 100%
0% 0
Lead Acquisition
0 0%
100% 100
Marketing
100 100%
0% 0
Business Growth Tools
0 0%
100% 100

Questions & Answers

As answered by people managing BigSpy and StackScan.

What makes your product unique?

BigSpy's answer

  • Wide coverage: Supports major platforms such as Facebook, Instagram, AdMob, TikTok, YouTube, X, and more.
  • Massive Data: Possesses over 1 billion advertising data points.
  • Strong filtering capabilities: Equipped with multi-dimensional filtering capabilities, enabling quick identification of the ads users wish to view.

StackScan's answer:

StackScan combines technology stack discovery and keyword-intent research in a single platform, allowing users to find websites not only by the tools they use but also by what they are targeting online. With coverage across 50,000+ technologies and 100M+ domains, it provides scalable, filterable, and export-ready web intelligence.

Why should a person choose your product over its competitors?

BigSpy's answer

  • BigSpy supports more platforms, covering mainstream advertising platforms such as Facebook, Instagram, AdMob, TikTok, YouTube, and X.
  • BigSpy has a massive database, and the number of ads it has collected has exceeded 1 billion.
  • BigSpyโ€™s pricing is highly competitive, and it is available to free users as well.

StackScan's answer:

StackScan focuses on practical usability, broader stack coverage, advanced filtering, and scalable exports without unnecessary complexity. Users can quickly generate highly targeted datasets using filters like country, TLD, industry, and technology combinations, making research and lead generation faster and more precise.

How would you describe the primary audience of your product?

BigSpy's answer

  • Advertising creators who need to produce advertisements.
  • Decision-makers who need to formulate operational strategies.
  • Operators who need to research market conditions.
  • Sellers who need to tap into the potential e-commerce market.
  • Advertisers who need to track the performance of their ad placements.

StackScan's answer:

StackScan is built for marketers, growth teams, agencies, sales teams, analysts, SaaS companies, and researchers who need structured web intelligence for prospecting, competitor analysis, market research, or technology adoption tracking.

Which are the primary technologies used for building your product?

BigSpy's answer

Python, SQL, Vue, Elasticsearch, Redis ...

StackScan's answer:

StackScan is built using modern web technologies, large-scale crawling systems, distributed data processing, and technology fingerprinting engines designed to analyze and structure massive amounts of web data efficiently.

What's the story behind your product?

BigSpy's answer

For the struggles, I think it has always been differentiation. In todayโ€™s industry, it is not enough to have a good solid product. It is important to outwit and outdo the competition to rise in a competitive marketplace. Therefore, we have been working on data collection, accuracy, and modeling optimization to acquire users and outcompete others. We hope to help our customers achieve at BigSpy; weโ€™re constantly reminded of it.

StackScan's answer:

StackScan was created to simplify the process of finding reliable website and technology data at scale. Existing solutions often felt limited, expensive, or difficult to use for targeted workflows, so StackScan was built as a practical and scalable platform that combines technology detection, keyword discovery, and bulk data access into one system.

Who are some of the biggest customers of your product?

BigSpy's answer

KILO.HEALTH, WELLECH, BRIO, LEEDIA, AVN ...

StackScan's answer:

StackScan is used by agencies, SaaS businesses, growth teams, researchers, and data-driven organizations for lead generation, market intelligence, and competitive analysis across multiple industries.

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare BigSpy and StackScan

BigSpy Reviews

  1. A game-changer for finding winning products ๐Ÿš€

    I've tried several ad spy tools, but BigSpy offers the best value for money. The database is massiveโ€”especially for Facebook and TikTok ads. It saves me hours of manual research and helps me spot trending products before the market gets saturated. If you run a dropshipping business or manage paid social, this is a non-negotiable part of the tech stack. Highly recommended for the "Ad Ideas" feature alone.

    ๐Ÿ Competitors: Adspy, Pipiads
  2. sunny
    ยท personal at Appsimilar ยท
    A huge database of ads

    It has a huge database of ads on several social platforms, like Facebook, Instagram, Twitter, AdMob, Pinterest, and Yahoo, so we can check different ads for ads inspiration. Also, we can spy on competitors and track the performance of their ads to decide new marketing strategies.

    ๐Ÿ Competitors: SocialPeta

StackScan Reviews

  1. Joe
    ยท Working at pFind ยท
    Amazing deal

    While itโ€™s still in early stage, its lifetime deal is really a great value. Must get if youโ€™re into lead generation.

    ๐Ÿ‘ Pros:    Lifetime plans available|Data accuracy|Data quality|Lead generation|Affordable price
    ๐Ÿ‘Ž Cons:    None so far

Social recommendations and mentions

Based on our record, BigSpy seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

BigSpy mentions (1)

StackScan mentions (0)

We have not tracked any mentions of StackScan yet. Tracking of StackScan recommendations started around May 2026.

What are some alternatives?

When comparing BigSpy and StackScan, you can also consider the following products

Adspy - Adspy is an innovative and advanced solution that enables advertisers to discover winning strategies and maintain their top position.

BuiltWith - Find out the technology behind websites

SocialPeta - Essential Ad Intelligence Platform, which provides massive Ad data about Top Networks, Creatives, and Advertisers.

Wappalyzer - Wappalyzer is a technology profilers and leads data provider. Create lists of websites and contacts that use certain technologies.

PowerAdSpy - PowerAdSpy enables you to maximize profits without allocating funds for testing ads.

W3Techs - W3Techs provides information about the usage of various types of technologies on the web.